117 lines
2.9 KiB
C++
117 lines
2.9 KiB
C++
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// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef OBJECT_ATTRIBUTES_DWA2002615_HPP
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# define OBJECT_ATTRIBUTES_DWA2002615_HPP
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# include <boost/python/detail/prefix.hpp>
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# include <boost/python/proxy.hpp>
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# include <boost/python/object_core.hpp>
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# include <boost/python/object_protocol.hpp>
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namespace boost { namespace python { namespace api {
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struct const_attribute_policies
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{
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typedef char const* key_type;
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static object get(object const& target, char const* key);
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static object get(object const& target, object const& key);
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};
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struct attribute_policies : const_attribute_policies
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{
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static object const& set(object const& target, char const* key, object const& value);
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static void del(object const&target, char const* key);
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};
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struct const_objattribute_policies
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{
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typedef object const key_type;
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static object get(object const& target, object const& key);
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};
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struct objattribute_policies : const_objattribute_policies
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{
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static object const& set(object const& target, object const& key, object const& value);
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static void del(object const&target, object const& key);
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};
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//
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// implementation
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//
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template <class U>
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inline object_attribute object_operators<U>::attr(char const* name)
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{
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object_cref2 x = *static_cast<U*>(this);
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return object_attribute(x, name);
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}
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template <class U>
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inline const_object_attribute object_operators<U>::attr(char const* name) const
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{
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object_cref2 x = *static_cast<U const*>(this);
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return const_object_attribute(x, name);
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}
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template <class U>
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inline object_objattribute object_operators<U>::attr(object const& name)
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{
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object_cref2 x = *static_cast<U*>(this);
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return object_objattribute(x, name);
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}
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template <class U>
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inline const_object_objattribute object_operators<U>::attr(object const& name) const
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{
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object_cref2 x = *static_cast<U const*>(this);
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return const_object_objattribute(x, name);
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}
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inline object const_attribute_policies::get(object const& target, char const* key)
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{
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return python::getattr(target, key);
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}
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inline object const_objattribute_policies::get(object const& target, object const& key)
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{
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return python::getattr(target, key);
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}
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inline object const& attribute_policies::set(
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object const& target
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, char const* key
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, object const& value)
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{
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python::setattr(target, key, value);
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return value;
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}
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inline object const& objattribute_policies::set(
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object const& target
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, object const& key
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, object const& value)
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{
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python::setattr(target, key, value);
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return value;
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}
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inline void attribute_policies::del(
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object const& target
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, char const* key)
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{
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python::delattr(target, key);
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}
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inline void objattribute_policies::del(
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object const& target
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, object const& key)
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{
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python::delattr(target, key);
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}
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}}} // namespace boost::python::api
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#endif // OBJECT_ATTRIBUTES_DWA2002615_HPP
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